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How to improve your Water Heater’s Efficiency for your rental water heater in Toronto Ontario

What you need to know about minimizing operating Cost of your water heater rental or owned hot water heater: 

water heater rental efficiencyConserve Water:  Your biggest opportunity for savings in your house hold is to use less hot water

Insulating your pipes:

  • Insulate your electric or natural gas hot water heater rental and pipes to drastically cut down on heat loss.  Be sure to improve the insulation on your electric or natural gas hot water tank and its pipes. Upgrading to a new Energy Star@ hot water heater will reduce your heat loss as well as new units come with high density foam insulation. This will help you save and reduce energy usage.

Put an insulating blanket on your tank:

  • Place your hand on the outside of your tank.  If the tank is warm to the touch, it is an indication that it is losing heat; if the tank is cold you would not benefit from adding any extra insulation. And again upgrading to a new high efficiency or energy efficiency hot water heater rental or owned will eliminate the need of a blanket.
  • A gas- fired tank should be looked after by a profession when performing insulating practices.

Lower water heater temperature to 60°C: 

  • Keeping your thermostat to a level no higher than 140°F (60°C) can also aid in the reduction of hot water cost.  This will also slow the build up of minerals and corrosion in your water heater pipes.
  • Consult your manual for instructions on operating the thermostat.
  • The thermostat dial for a gas storage water heater can be found near the bottom of the tank on the gas valve.  Electric heaters may have thermostats placed behind the screw-on plates or panels.
  • Marking the start temperature and the adjusted temperature on the thermostat dial for future references will benefit you greatly.
  • After turning it down be sure to check the water temperature; using a thermometer at the tap farthest from the water heater.
  • If you’re planning to be away from your home for a numbered amount of days be sure to turn your thermostat down to the lowest setting or completely turn it off.
  • If dealing with an electric heater, be sure to switch off the circuit breaker to it.  When dealing with a gas water heater, make sure you know how to safely relight the pilot light before turning it off.
  • Be sure not to lower your water heaters temperature below 55ºC.  This will allow you to avoid the risk of harmful bacteria being developed in your system.


For a free consultation about water heater rental efficiency or water heater purchase, estimate or to book your maintenance call please contact us.

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Upgrading to a high-efficiency heating and cooling system offers more than energy savings.

Take advantage of these rebates today!


This item comes with absolutely free standard installation. We’ll ensure that the product is completely installed to code and fully functioning prior to leaving.


Great news! Receive a brand new digital thermostat absolutely free when renting this HVAC product from DeMark Home Ontario.


Great news! When renting a furnace or air conditioner, you’ll get your first 2 months absolutely rent free.


Great news! When renting a furnace and air conditioner together, you’ll get your first 3 months absolutely rent free.


This product carries a manufacturer warranty and we’re happy to explain it in full to you. Feel free to get in touch with us for more information or see the Warranty Information tab for more information


If your order is placed and confirmed by 11am, we can have your HVAC product installed within the same day.

Certain conditions apply, not available on all products.


This water heater is subject to reduced rental rates based on the DHO discount program. Save money on your bill every single month!

Some conditions apply


Save money on this item when buying it along with a qualifying high-efficiency furnace or air conditioner.

Some conditions apply


Great news! When renting a qualifying water heater, you’ll get your first 2 months absolutely rent free.


Promotional code can be found on the eFlyer, Brochure or promotional email that you received from us.

*If you are an existing customer please refer to the mail or email that was sent to you after the installation of your equipment as it contains your promotional code. If you are having troubles locating it please call us and one of our Customer Service Representatives will be happy to assist you.

  • Please fill out the form below in order to schedule service and be sure that your request will be processed promptly and you will hear back from us shortly.

Notice for Power Vent Water Heater Customers

Effective August 2007, gas code requires technicians working on venting to replace black ABS vent pipe with white UL-certified vent pipe.

We will upgrade your venting pipes at no additional cost.

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